---
title: Lie a ruler across two books and press the middle: it bends. — Bridges and skyscrapers · tree and pragmatics
description: Lie a ruler across two books and press the middle: it bends. Who acts: you, middle. A sentence of the lesson «Bridges and skyscrapers» of the technology course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Bridges and skyscrapers, sentence 5

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Lie a ruler across two books and press the middle: it bends.

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**Who acts:** you, middle · **What happens:** lie, press, bend · **To what, where:** ruler, two books, middle

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This is a sentence of the lesson «Bridges and skyscrapers» of the technology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (you, middle), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:030-bridges-and-skyscrapers.lesson:5
# text = Lie a ruler across two books and press the middle: it bends.
# source = school lesson (ours)
# course = technology
# lesson = 030-bridges-and-skyscrapers.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change
1	Lie	lie	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	ruler	ruler	NOUN	NN	Number=Sing	1	obj	_	_
4	across	across	ADP	IN	_	6	case	_	_
5	two	two	NUM	CD	NumForm=Word|NumType=Card	6	nummod	_	_
6	books	book	NOUN	NNS	Number=Plur	1	obl	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	press	press	VERB	VB	Mood=Imp|VerbForm=Fin	1	conj	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	middle	middle	NOUN	NN	Number=Sing	8	obj	_	_
11	:	:	PUNCT	:	_	13	punct	_	_
12	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	13	nsubj	_	_
13	bends	bend	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	parataxis	_	_
14	.	.	PUNCT	.	_	1	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lie** | imperative | you *not said here* | a ruler |  | two books |  |  | vn spatial\_configuration-47.6 «PP.location V NP»: agent=Location ruler=Theme |
| 2 | **press** | infinitive | you *not said here* | the middle |  |  |  |  | vn push-12-1-1 «NP V NP»: agent=Agent middle=Theme |
| 3 | **bend** | present | middle |  |  |  |  |  | vn assuming\_position-50 «NP V»: agent=Agent |

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One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:technology:030-bridges-and-skyscrapers.lesson:5`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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